POWR-GARD® Fuse Datasheet
LDFJ SERIES - DRIVE FUSES
600 VAC/450 VDC • Fast-Acting • 1-600 A
Specifications
Voltage Ratings
Interrupting Ratings
Ampere Range
Approvals
600 VAC / 450V DC (30-600A)
200 kA AC / 100kA DC
1–600 A
Standard 248-8, Class J
UL Listed
CSA Certified
Web Resources
TC curves, CAD drawings and other technical information
contactTech-Line at 800-TEC-FUSE or techline@littelfuse.com.
Recommended Fuse Holders
LFJ60 Series
LFPSJ Series (1-60 A)
Ordering Information
Description
LDFJ series fuses provide space saving, high-speed
performance and short-circuit protection for AC and DC
drives.
AMPERE RATINGS
1
2
3
4
5
6
8
10
12
15
20
25
30
35
40
45
50
60
70
80
90
175
200
225
250
300
350
400
450
500
600
100
110
125
150
LDFJ series offers current limiting features with lowest I2T
for protection of power semiconductor devices and motor
controllers.
AMPERE
RANGE
CATALOG
NUMBER
ORDERING PACK
SERIES AMP CODE
NUMBER
QTY
10 PCS/
BOX
1-60
LDFJ
LDFJ
LDFJ
060
110
400
LDFJ060
LDFJ060.T
Applications
• All AC/DC drives (Including variable frequency drives)
1 PC/
BOX
1 PC/
BOX
70-200
225-600
LDFJ110
LDFJ400
LDFJ110.V
LDFJ400.X
• Power converters and solid-state devices
• Resistive loads, such as resistance electric heat
Dimensions Inches (mm)
FIGURE 1
FIGURE 2
DIMENSIONS INCHES (mm)
REFER TO
AMPERES
FIG. NO.
A
B
C
D
E
F
-
-
G
-
-
H
J
1 – 30
35 – 60
70 – 100
110 – 200
225 – 400
450 – 600
1
1
2
2
2
2
2.25 (57.2)
2.38 (60.5)
4.63 (117.6)
5.75 (146.1)
7.13 (181.1)
8.0 (203.2)
0.81 (20.6)
1.06 (26.9)
1.13 (28.7)
1.63 (41.4)
2.11 (53.6)
2.5 (63.5)
0.50 (12.7)
0.63 (16.0)
-
-
-
-
-
-
-
-
-
-
-
-
3.63 (92.2)
4.38 (111.3)
5.25 (133.4)
6.0 (152.4)
2.63 (66.8)
3.0 (76.2)
3.38 (85.9)
3.75 (95.3)
0.43 (10.9)
0.43 (10.9)
0.58 (14.7)
0.74 (18.8)
0.28 (7.1)
0.28 (7.1)
0.41 (10.4)
0.53 (13.5)
0.75 (19.1)
1.13 (28.7)
1.63 (41.4)
2.0 (50.8)
0.13 (3.3)
0.19 (4.8)
0.25 (6.4)
0.38 (9.7)
© 2015 Littelfuse POWR-GARD® Products
Rev: 070915
1 of 1
www.littelfuse.com